Hippocampal memory isn’t all about place cells

Scientists have found evidence that hippocampal memories of experience are not stored in place cells.

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Zebrafish imagine a danger-free future to avoid threats in virtual reality

By imaging the brain while zebrafish “swim” in virtual reality, scientists have learned that even fish can create internal models to predict future outcomes.
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Microbial infections are a parasitic plant’s dream

Parasitic plants use quinones produced by their host to attack. Now we know that crops produce quinones as an immune response against microbial infection. How can we protect crops from both kinds of attack?
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Learning and unlearning to fear: The two faces of noradrenaline

Fear association and unlearning fear association require different populations of noradrenaline neurons in the locus coeruleus.

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Photosynthetic bacteria spin spider silk for the masses

A little genetic engineering and a special recipe allows photosynthetic bacteria to mass-produce super lightweight spider silk for use in manufacturing.
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Sphingolipid S1P: Potential new target for schizophrenia treatment

Sphingolipid S1P is reduced in brain white matter of people with schizophrenia, making S1P receptors a good target for new treatments.
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Black smokers and electroecosystems

Black smokers are deep-sea hydrothermal vents found in the ocean. Now scientists believe that they may host electroecosystems in which the primary producers use electric currents as their energy source.

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Diazoxide pills for Alzheimer’s disease?

Drug therapy with with diazoxide relieved symptoms of Alzheimer’s disease in the brains of mice and improved memory.
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Blocking obesity with a protein-sugar combination

Discovery of an enzyme that prevents obesity in mice through glycosylation of a protein involved fat-cell differentiation.

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Artificial gravity protects the immune system of mice in space

Mice who experienced artificial gravity on the ISS suffered less damage to their immune system (thymus) than weightless mice did.
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Memory retrieval needs a neuronal connecting flight

Scientists use optogenetics to discover a part of the brain necessary for retrieving memories of personal experiences.

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Flies use fecal deposits as pheromones

Bioluminescence imaging of fly brains reveals neurons sensitive to fly poo laced with pheromones (you can see the fecal “landmark” in the dotted circle). Need we say more?

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Diazoxide pills for Alzheimer’s disease?

Drug therapy with with diazoxide relieved symptoms of Alzheimer’s disease in the brains of mice and improved memory.
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Artificial gravity protects the immune system of mice in space

Mice who experienced artificial gravity on the ISS suffered less damage to their immune system (thymus) than weightless mice did.
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New lab-grown retinal sheets almost ready for clinical trials

A new retinal transplant technique works by preventing bipolar cells from maturing in lab-grown retinal sheets.
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Eating a high fat diet without getting obese?

Scientists discover that without innate immune cells in the intestines, eating a high fat diet does not lead to obesity in mice.
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